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1 | /* | |
2 | * Copyright 2008 Advanced Micro Devices, Inc. | |
3 | * Copyright 2008 Red Hat Inc. | |
4 | * Copyright 2009 Jerome Glisse. | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining a | |
7 | * copy of this software and associated documentation files (the "Software"), | |
8 | * to deal in the Software without restriction, including without limitation | |
9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
10 | * and/or sell copies of the Software, and to permit persons to whom the | |
11 | * Software is furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
20 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
21 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
22 | * OTHER DEALINGS IN THE SOFTWARE. | |
23 | * | |
24 | * Authors: Dave Airlie | |
25 | * Alex Deucher | |
26 | * Jerome Glisse | |
27 | */ | |
28 | #include "drmP.h" | |
29 | #include "drm_sarea.h" | |
30 | #include "radeon.h" | |
31 | #include "radeon_drm.h" | |
32 | ||
33 | #include <linux/vga_switcheroo.h> | |
34 | #include <linux/slab.h> | |
35 | ||
36 | int radeon_driver_unload_kms(struct drm_device *dev) | |
37 | { | |
38 | struct radeon_device *rdev = dev->dev_private; | |
39 | ||
40 | if (rdev == NULL) | |
41 | return 0; | |
42 | radeon_modeset_fini(rdev); | |
43 | radeon_device_fini(rdev); | |
44 | kfree(rdev); | |
45 | dev->dev_private = NULL; | |
46 | return 0; | |
47 | } | |
48 | ||
49 | int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags) | |
50 | { | |
51 | struct radeon_device *rdev; | |
52 | int r, acpi_status; | |
53 | ||
54 | rdev = kzalloc(sizeof(struct radeon_device), GFP_KERNEL); | |
55 | if (rdev == NULL) { | |
56 | return -ENOMEM; | |
57 | } | |
58 | dev->dev_private = (void *)rdev; | |
59 | ||
60 | /* update BUS flag */ | |
61 | if (drm_device_is_agp(dev)) { | |
62 | flags |= RADEON_IS_AGP; | |
63 | } else if (drm_device_is_pcie(dev)) { | |
64 | flags |= RADEON_IS_PCIE; | |
65 | } else { | |
66 | flags |= RADEON_IS_PCI; | |
67 | } | |
68 | ||
69 | /* radeon_device_init should report only fatal error | |
70 | * like memory allocation failure or iomapping failure, | |
71 | * or memory manager initialization failure, it must | |
72 | * properly initialize the GPU MC controller and permit | |
73 | * VRAM allocation | |
74 | */ | |
75 | r = radeon_device_init(rdev, dev, dev->pdev, flags); | |
76 | if (r) { | |
77 | dev_err(&dev->pdev->dev, "Fatal error during GPU init\n"); | |
78 | goto out; | |
79 | } | |
80 | ||
81 | /* Call ACPI methods */ | |
82 | acpi_status = radeon_acpi_init(rdev); | |
83 | if (acpi_status) | |
84 | dev_dbg(&dev->pdev->dev, "Error during ACPI methods call\n"); | |
85 | ||
86 | /* Again modeset_init should fail only on fatal error | |
87 | * otherwise it should provide enough functionalities | |
88 | * for shadowfb to run | |
89 | */ | |
90 | r = radeon_modeset_init(rdev); | |
91 | if (r) | |
92 | dev_err(&dev->pdev->dev, "Fatal error during modeset init\n"); | |
93 | out: | |
94 | if (r) | |
95 | radeon_driver_unload_kms(dev); | |
96 | return r; | |
97 | } | |
98 | ||
99 | ||
100 | /* | |
101 | * Userspace get informations ioctl | |
102 | */ | |
103 | int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) | |
104 | { | |
105 | struct radeon_device *rdev = dev->dev_private; | |
106 | struct drm_radeon_info *info; | |
107 | struct radeon_mode_info *minfo = &rdev->mode_info; | |
108 | uint32_t *value_ptr; | |
109 | uint32_t value; | |
110 | struct drm_crtc *crtc; | |
111 | int i, found; | |
112 | ||
113 | info = data; | |
114 | value_ptr = (uint32_t *)((unsigned long)info->value); | |
115 | if (DRM_COPY_FROM_USER(&value, value_ptr, sizeof(value))) | |
116 | return -EFAULT; | |
117 | ||
118 | switch (info->request) { | |
119 | case RADEON_INFO_DEVICE_ID: | |
120 | value = dev->pci_device; | |
121 | break; | |
122 | case RADEON_INFO_NUM_GB_PIPES: | |
123 | value = rdev->num_gb_pipes; | |
124 | break; | |
125 | case RADEON_INFO_NUM_Z_PIPES: | |
126 | value = rdev->num_z_pipes; | |
127 | break; | |
128 | case RADEON_INFO_ACCEL_WORKING: | |
129 | /* xf86-video-ati 6.13.0 relies on this being false for evergreen */ | |
130 | if ((rdev->family >= CHIP_CEDAR) && (rdev->family <= CHIP_HEMLOCK)) | |
131 | value = false; | |
132 | else | |
133 | value = rdev->accel_working; | |
134 | break; | |
135 | case RADEON_INFO_CRTC_FROM_ID: | |
136 | for (i = 0, found = 0; i < rdev->num_crtc; i++) { | |
137 | crtc = (struct drm_crtc *)minfo->crtcs[i]; | |
138 | if (crtc && crtc->base.id == value) { | |
139 | struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | |
140 | value = radeon_crtc->crtc_id; | |
141 | found = 1; | |
142 | break; | |
143 | } | |
144 | } | |
145 | if (!found) { | |
146 | DRM_DEBUG_KMS("unknown crtc id %d\n", value); | |
147 | return -EINVAL; | |
148 | } | |
149 | break; | |
150 | case RADEON_INFO_ACCEL_WORKING2: | |
151 | value = rdev->accel_working; | |
152 | break; | |
153 | case RADEON_INFO_TILING_CONFIG: | |
154 | if (rdev->family >= CHIP_CEDAR) | |
155 | value = rdev->config.evergreen.tile_config; | |
156 | else if (rdev->family >= CHIP_RV770) | |
157 | value = rdev->config.rv770.tile_config; | |
158 | else if (rdev->family >= CHIP_R600) | |
159 | value = rdev->config.r600.tile_config; | |
160 | else { | |
161 | DRM_DEBUG_KMS("tiling config is r6xx+ only!\n"); | |
162 | return -EINVAL; | |
163 | } | |
164 | case RADEON_INFO_WANT_HYPERZ: | |
165 | /* The "value" here is both an input and output parameter. | |
166 | * If the input value is 1, filp requests hyper-z access. | |
167 | * If the input value is 0, filp revokes its hyper-z access. | |
168 | * | |
169 | * When returning, the value is 1 if filp owns hyper-z access, | |
170 | * 0 otherwise. */ | |
171 | if (value >= 2) { | |
172 | DRM_DEBUG_KMS("WANT_HYPERZ: invalid value %d\n", value); | |
173 | return -EINVAL; | |
174 | } | |
175 | mutex_lock(&dev->struct_mutex); | |
176 | if (value == 1) { | |
177 | /* wants hyper-z */ | |
178 | if (!rdev->hyperz_filp) | |
179 | rdev->hyperz_filp = filp; | |
180 | } else if (value == 0) { | |
181 | /* revokes hyper-z */ | |
182 | if (rdev->hyperz_filp == filp) | |
183 | rdev->hyperz_filp = NULL; | |
184 | } | |
185 | value = rdev->hyperz_filp == filp ? 1 : 0; | |
186 | mutex_unlock(&dev->struct_mutex); | |
187 | break; | |
188 | default: | |
189 | DRM_DEBUG_KMS("Invalid request %d\n", info->request); | |
190 | return -EINVAL; | |
191 | } | |
192 | if (DRM_COPY_TO_USER(value_ptr, &value, sizeof(uint32_t))) { | |
193 | DRM_ERROR("copy_to_user\n"); | |
194 | return -EFAULT; | |
195 | } | |
196 | return 0; | |
197 | } | |
198 | ||
199 | ||
200 | /* | |
201 | * Outdated mess for old drm with Xorg being in charge (void function now). | |
202 | */ | |
203 | int radeon_driver_firstopen_kms(struct drm_device *dev) | |
204 | { | |
205 | return 0; | |
206 | } | |
207 | ||
208 | ||
209 | void radeon_driver_lastclose_kms(struct drm_device *dev) | |
210 | { | |
211 | vga_switcheroo_process_delayed_switch(); | |
212 | } | |
213 | ||
214 | int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv) | |
215 | { | |
216 | return 0; | |
217 | } | |
218 | ||
219 | void radeon_driver_postclose_kms(struct drm_device *dev, | |
220 | struct drm_file *file_priv) | |
221 | { | |
222 | } | |
223 | ||
224 | void radeon_driver_preclose_kms(struct drm_device *dev, | |
225 | struct drm_file *file_priv) | |
226 | { | |
227 | struct radeon_device *rdev = dev->dev_private; | |
228 | if (rdev->hyperz_filp == file_priv) | |
229 | rdev->hyperz_filp = NULL; | |
230 | } | |
231 | ||
232 | /* | |
233 | * VBlank related functions. | |
234 | */ | |
235 | u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc) | |
236 | { | |
237 | struct radeon_device *rdev = dev->dev_private; | |
238 | ||
239 | if (crtc < 0 || crtc >= rdev->num_crtc) { | |
240 | DRM_ERROR("Invalid crtc %d\n", crtc); | |
241 | return -EINVAL; | |
242 | } | |
243 | ||
244 | return radeon_get_vblank_counter(rdev, crtc); | |
245 | } | |
246 | ||
247 | int radeon_enable_vblank_kms(struct drm_device *dev, int crtc) | |
248 | { | |
249 | struct radeon_device *rdev = dev->dev_private; | |
250 | ||
251 | if (crtc < 0 || crtc >= rdev->num_crtc) { | |
252 | DRM_ERROR("Invalid crtc %d\n", crtc); | |
253 | return -EINVAL; | |
254 | } | |
255 | ||
256 | rdev->irq.crtc_vblank_int[crtc] = true; | |
257 | ||
258 | return radeon_irq_set(rdev); | |
259 | } | |
260 | ||
261 | void radeon_disable_vblank_kms(struct drm_device *dev, int crtc) | |
262 | { | |
263 | struct radeon_device *rdev = dev->dev_private; | |
264 | ||
265 | if (crtc < 0 || crtc >= rdev->num_crtc) { | |
266 | DRM_ERROR("Invalid crtc %d\n", crtc); | |
267 | return; | |
268 | } | |
269 | ||
270 | rdev->irq.crtc_vblank_int[crtc] = false; | |
271 | ||
272 | radeon_irq_set(rdev); | |
273 | } | |
274 | ||
275 | ||
276 | /* | |
277 | * IOCTL. | |
278 | */ | |
279 | int radeon_dma_ioctl_kms(struct drm_device *dev, void *data, | |
280 | struct drm_file *file_priv) | |
281 | { | |
282 | /* Not valid in KMS. */ | |
283 | return -EINVAL; | |
284 | } | |
285 | ||
286 | #define KMS_INVALID_IOCTL(name) \ | |
287 | int name(struct drm_device *dev, void *data, struct drm_file *file_priv)\ | |
288 | { \ | |
289 | DRM_ERROR("invalid ioctl with kms %s\n", __func__); \ | |
290 | return -EINVAL; \ | |
291 | } | |
292 | ||
293 | /* | |
294 | * All these ioctls are invalid in kms world. | |
295 | */ | |
296 | KMS_INVALID_IOCTL(radeon_cp_init_kms) | |
297 | KMS_INVALID_IOCTL(radeon_cp_start_kms) | |
298 | KMS_INVALID_IOCTL(radeon_cp_stop_kms) | |
299 | KMS_INVALID_IOCTL(radeon_cp_reset_kms) | |
300 | KMS_INVALID_IOCTL(radeon_cp_idle_kms) | |
301 | KMS_INVALID_IOCTL(radeon_cp_resume_kms) | |
302 | KMS_INVALID_IOCTL(radeon_engine_reset_kms) | |
303 | KMS_INVALID_IOCTL(radeon_fullscreen_kms) | |
304 | KMS_INVALID_IOCTL(radeon_cp_swap_kms) | |
305 | KMS_INVALID_IOCTL(radeon_cp_clear_kms) | |
306 | KMS_INVALID_IOCTL(radeon_cp_vertex_kms) | |
307 | KMS_INVALID_IOCTL(radeon_cp_indices_kms) | |
308 | KMS_INVALID_IOCTL(radeon_cp_texture_kms) | |
309 | KMS_INVALID_IOCTL(radeon_cp_stipple_kms) | |
310 | KMS_INVALID_IOCTL(radeon_cp_indirect_kms) | |
311 | KMS_INVALID_IOCTL(radeon_cp_vertex2_kms) | |
312 | KMS_INVALID_IOCTL(radeon_cp_cmdbuf_kms) | |
313 | KMS_INVALID_IOCTL(radeon_cp_getparam_kms) | |
314 | KMS_INVALID_IOCTL(radeon_cp_flip_kms) | |
315 | KMS_INVALID_IOCTL(radeon_mem_alloc_kms) | |
316 | KMS_INVALID_IOCTL(radeon_mem_free_kms) | |
317 | KMS_INVALID_IOCTL(radeon_mem_init_heap_kms) | |
318 | KMS_INVALID_IOCTL(radeon_irq_emit_kms) | |
319 | KMS_INVALID_IOCTL(radeon_irq_wait_kms) | |
320 | KMS_INVALID_IOCTL(radeon_cp_setparam_kms) | |
321 | KMS_INVALID_IOCTL(radeon_surface_alloc_kms) | |
322 | KMS_INVALID_IOCTL(radeon_surface_free_kms) | |
323 | ||
324 | ||
325 | struct drm_ioctl_desc radeon_ioctls_kms[] = { | |
326 | DRM_IOCTL_DEF_DRV(RADEON_CP_INIT, radeon_cp_init_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), | |
327 | DRM_IOCTL_DEF_DRV(RADEON_CP_START, radeon_cp_start_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), | |
328 | DRM_IOCTL_DEF_DRV(RADEON_CP_STOP, radeon_cp_stop_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), | |
329 | DRM_IOCTL_DEF_DRV(RADEON_CP_RESET, radeon_cp_reset_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), | |
330 | DRM_IOCTL_DEF_DRV(RADEON_CP_IDLE, radeon_cp_idle_kms, DRM_AUTH), | |
331 | DRM_IOCTL_DEF_DRV(RADEON_CP_RESUME, radeon_cp_resume_kms, DRM_AUTH), | |
332 | DRM_IOCTL_DEF_DRV(RADEON_RESET, radeon_engine_reset_kms, DRM_AUTH), | |
333 | DRM_IOCTL_DEF_DRV(RADEON_FULLSCREEN, radeon_fullscreen_kms, DRM_AUTH), | |
334 | DRM_IOCTL_DEF_DRV(RADEON_SWAP, radeon_cp_swap_kms, DRM_AUTH), | |
335 | DRM_IOCTL_DEF_DRV(RADEON_CLEAR, radeon_cp_clear_kms, DRM_AUTH), | |
336 | DRM_IOCTL_DEF_DRV(RADEON_VERTEX, radeon_cp_vertex_kms, DRM_AUTH), | |
337 | DRM_IOCTL_DEF_DRV(RADEON_INDICES, radeon_cp_indices_kms, DRM_AUTH), | |
338 | DRM_IOCTL_DEF_DRV(RADEON_TEXTURE, radeon_cp_texture_kms, DRM_AUTH), | |
339 | DRM_IOCTL_DEF_DRV(RADEON_STIPPLE, radeon_cp_stipple_kms, DRM_AUTH), | |
340 | DRM_IOCTL_DEF_DRV(RADEON_INDIRECT, radeon_cp_indirect_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), | |
341 | DRM_IOCTL_DEF_DRV(RADEON_VERTEX2, radeon_cp_vertex2_kms, DRM_AUTH), | |
342 | DRM_IOCTL_DEF_DRV(RADEON_CMDBUF, radeon_cp_cmdbuf_kms, DRM_AUTH), | |
343 | DRM_IOCTL_DEF_DRV(RADEON_GETPARAM, radeon_cp_getparam_kms, DRM_AUTH), | |
344 | DRM_IOCTL_DEF_DRV(RADEON_FLIP, radeon_cp_flip_kms, DRM_AUTH), | |
345 | DRM_IOCTL_DEF_DRV(RADEON_ALLOC, radeon_mem_alloc_kms, DRM_AUTH), | |
346 | DRM_IOCTL_DEF_DRV(RADEON_FREE, radeon_mem_free_kms, DRM_AUTH), | |
347 | DRM_IOCTL_DEF_DRV(RADEON_INIT_HEAP, radeon_mem_init_heap_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), | |
348 | DRM_IOCTL_DEF_DRV(RADEON_IRQ_EMIT, radeon_irq_emit_kms, DRM_AUTH), | |
349 | DRM_IOCTL_DEF_DRV(RADEON_IRQ_WAIT, radeon_irq_wait_kms, DRM_AUTH), | |
350 | DRM_IOCTL_DEF_DRV(RADEON_SETPARAM, radeon_cp_setparam_kms, DRM_AUTH), | |
351 | DRM_IOCTL_DEF_DRV(RADEON_SURF_ALLOC, radeon_surface_alloc_kms, DRM_AUTH), | |
352 | DRM_IOCTL_DEF_DRV(RADEON_SURF_FREE, radeon_surface_free_kms, DRM_AUTH), | |
353 | /* KMS */ | |
354 | DRM_IOCTL_DEF_DRV(RADEON_GEM_INFO, radeon_gem_info_ioctl, DRM_AUTH|DRM_UNLOCKED), | |
355 | DRM_IOCTL_DEF_DRV(RADEON_GEM_CREATE, radeon_gem_create_ioctl, DRM_AUTH|DRM_UNLOCKED), | |
356 | DRM_IOCTL_DEF_DRV(RADEON_GEM_MMAP, radeon_gem_mmap_ioctl, DRM_AUTH|DRM_UNLOCKED), | |
357 | DRM_IOCTL_DEF_DRV(RADEON_GEM_SET_DOMAIN, radeon_gem_set_domain_ioctl, DRM_AUTH|DRM_UNLOCKED), | |
358 | DRM_IOCTL_DEF_DRV(RADEON_GEM_PREAD, radeon_gem_pread_ioctl, DRM_AUTH|DRM_UNLOCKED), | |
359 | DRM_IOCTL_DEF_DRV(RADEON_GEM_PWRITE, radeon_gem_pwrite_ioctl, DRM_AUTH|DRM_UNLOCKED), | |
360 | DRM_IOCTL_DEF_DRV(RADEON_GEM_WAIT_IDLE, radeon_gem_wait_idle_ioctl, DRM_AUTH|DRM_UNLOCKED), | |
361 | DRM_IOCTL_DEF_DRV(RADEON_CS, radeon_cs_ioctl, DRM_AUTH|DRM_UNLOCKED), | |
362 | DRM_IOCTL_DEF_DRV(RADEON_INFO, radeon_info_ioctl, DRM_AUTH|DRM_UNLOCKED), | |
363 | DRM_IOCTL_DEF_DRV(RADEON_GEM_SET_TILING, radeon_gem_set_tiling_ioctl, DRM_AUTH|DRM_UNLOCKED), | |
364 | DRM_IOCTL_DEF_DRV(RADEON_GEM_GET_TILING, radeon_gem_get_tiling_ioctl, DRM_AUTH|DRM_UNLOCKED), | |
365 | DRM_IOCTL_DEF_DRV(RADEON_GEM_BUSY, radeon_gem_busy_ioctl, DRM_AUTH|DRM_UNLOCKED), | |
366 | }; | |
367 | int radeon_max_kms_ioctl = DRM_ARRAY_SIZE(radeon_ioctls_kms); |